When a guy fucks a chick or a dude in the ass and his dick is covered in shit as a result.

1. After John fucked Jake in the ass he had a shitty dick.
2. After Trevor pounded Chrissy's pooper, Chrissy sucked Trevor's shitty dick clean.
3. Damn, I love me some shitty dick!
4. How much do you charge to suck my shitty dick so it has no more shit on it?
5. How can one man have such a shitty dick?
6. You are a shitty dick muther fucker!